ASP.NET 数据绑定到列表控件

ASP.NET 数据绑定到列表控件

<div>
    <asp:ListBox ID="ListBox1" runat="server"></asp:ListBox>
    <asp:DropDownList ID="DropDownList1" runat="server"></asp:DropDownList>
    <asp:CheckBoxList ID="CheckBoxList1" runat="server"></asp:CheckBoxList>
    <asp:RadioButtonList ID="RadioButtonList1" runat="server"></asp:RadioButtonList>
</div>
protected void Page_Load(object sender, EventArgs e)
{
    List<string> fruit = new List<string>();
    fruit.Add("Kiwi");
    fruit.Add("Pear");
    fruit.Add("Mango");
    fruit.Add("Blueberry");
    fruit.Add("Apricot");
    fruit.Add("Banana");
    fruit.Add("Peach");
    fruit.Add("Plum");

    ListBox1.DataSource = fruit;
    DropDownList1.DataSource = fruit;
    CheckBoxList1.DataSource = fruit;
    RadioButtonList1.DataSource = fruit;

    this.DataBind();
}

ASP.NET 数据绑定到列表控件

进阶:数据绑定到字典集合

protected void Page_Load(Object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        // Use integers to index each item. Each item is a string.
        Dictionary<int, string> fruit = new Dictionary<int, string>();
  
        fruit.Add(1, "Kiwi");
        fruit.Add(2, "Pear");
        fruit.Add(3, "Mango");
        fruit.Add(4, "Blueberry");
        fruit.Add(5, "Apricot");
        fruit.Add(6, "Banana");
        fruit.Add(7, "Peach");
        fruit.Add(8, "Plum");
  
        // Define the binding for the list controls.
        MyListBox.DataSource = fruit;
      
/*
MyListBox.DataTextField = "Value";
MyListBox.DataValueField = "Key";
*/

// Choose what you want to display in the list. MyListBox.DataTextField = "Value"; // Activate the binding. this.DataBind(); } }

html code:

<select name="MyListBox" id="MyListBox" >
    <option value="1">Kiwi</option>
    <option value="2">Pear</option>
    <option value="3">Mango</option>
    <option value="4">Blueberry</option>
    <option value="5">Apricot</option>
    <option value="6">Banana</option>
    <option value="7">Peach</option>
    <option value="8">Plum</option>
</select>